The direct gas-impingement SIGM400 5.56mm NATO AR now comes with a heavy stainless steel target barrel with a threaded end ready to accept Sig suppressors. This rifle, new for 2014, is called the Predator and also features an aluminum free-floated Hogue handguard and a new Hogue rubber, overmolded grip. The Sig Sauer M400 Predator is designed for precision shooting with a two-stage match trigger and fixed-length Magpul stock. For more information, visit sigsauer.com.